/*
 * Copyright (c) 2006, 2021, webrx.cn All rights reserved.
 *
 */
package cn.webrx;

/**
 * <p>Project: javaseapp - Exce1
 * <p>Powered by webrx On 2021-08-09 10:12:05
 * <p>Created by IntelliJ IDEA
 *
 * @author webrx [webrx@126.com]
 * @version 1.0
 * @since 16
 */
public class Exce1 {
    public static void main(String[] args) {
        String str = null;
        //System.out.println(str.toLowerCase());//NullPointerException
        //System.out.println(2 / 0); //ArithmeticException
        int[] nums = {1, 2, 3};
        System.out.println(nums[3]);//ArrayIndexOutOfBoundsException
        System.out.println("hello world");
    }
}
